Spill oversized PreToolUse additionalContext#22529
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eternal-openai
approved these changes
May 13, 2026
sayan-oai
approved these changes
May 13, 2026
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Why
PreToolUse.additionalContextbecame model-visible after #20692, but the hook-output spilling path from #21069 never picked up that newer lane. As a result, oversizedPreToolUsecontext could bypass the truncation/spill treatment that already applies to the other hook outputs Codex forwards to the model.What
PreToolUseOutcome.additional_contextsthroughmaybe_spill_texts(...)PreToolUse.additionalContextis replaced with a truncated preview plus spill-file pointer, while the full text is preserved on disk.